public void Kezzak_Hash_Should_Match()
        {
            var hasher = new Kezzak();
            var result = hasher.Digest(testValue, 0ul).ToHexString();

            Assert.Equal("00b11e72b948db16a181437150237fa247f9b5932758b7d3f648832ed88e7919", result);
        }
        public void Kezzak_Hash_Should_Throw_On_Null_Input()
        {
            var hasher = new Kezzak();

            Assert.Throws <ArgumentNullException>(() => hasher.Digest(null, null));
        }